Home / 18,475.42-25,495.54-10,091.92

Finding the Fourth Proportional to 18,475.42, 25,495.54 and 10,091.92

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Solution

The fourth proportional to 18,475.42, 25,495.54 and 10,091.92 is: 13,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.42 : 25,495.54 = 10,091.92 : x
  2. Step 2: Convert to fraction form
    18,475.42/25,495.54 = 10,091.92/x
  3. Step 3: Cross multiply
    18,475.42x = 25,495.54 × 10,091.92
  4. Step 4: Simplify right side
    18,475.42x = 257,298,950.04
  5. Step 5: Solve for x
    x = 257,298,950.04/18,475.42
  6. Step 6: Final answer
    x = 13,926.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.